20322657

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{6781}}^1$

素因数の和:6830

約数の個数: 20

約数和(自身を含む): 31183636

約数和(自身を除く): 10860979

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 6781, 20343, 61029, 183087, 250897, 549261, 752691, 2258073, 6774219, 20322657]

約数ペア:

[(1, 20322657), (3, 6774219), (9, 2258073), (27, 752691), (37, 549261), (81, 250897), (111, 183087), (333, 61029), (999, 20343), (2997, 6781)]